﻿<p><em>IfcThermalExpansionCoeffientMeasure</em> is a measure of the thermal expansion coefficient of a material, which expresses its elongation (as a ratio) per temperature difference. It is usually measured in 1/K. A positive elongation per (positive) rise of temperature is expressed by a positive value.</p>
<p>Type: REAL </p> 

<blockquote class="history">
HISTORY&nbsp; New type in IFC2x2.
</blockquote> 
